package DesignPatern.A02_工厂模式.QXB.A04_延迟加载工厂方法;

/**
 * @Author: Du
 * @Date: 2021/7/20 19:40
 */
public abstract class Product
{
    public void common_method()
    {
        System.out.println("公共业务逻辑");
    }
    
    public abstract void special_method();
}
